About tops
There is such a unit of length in IT - U, unit. 1U = 1.75 inches. It measures the thickness of the equipment installed in the cabinets and the height of the cabinets in which the equipment is installed. They talk about 42U-cabinets, 1U and 2U-servers, etc.
Now attention.
In Russia, the length was measured in arshins, quarters and vershoks. Arshin = 4 quarters = 16 verski. As usual, the arshins were different everywhere, but then Peter I came and unified everything. He pointed out that arshins should be 28 English inches.
')
Already understand? Not? 28/16 = 1.75. The tip is equal to U.
Original unknown.
Now attention.
In Russia, the length was measured in arshins, quarters and vershoks. Arshin = 4 quarters = 16 verski. As usual, the arshins were different everywhere, but then Peter I came and unified everything. He pointed out that arshins should be 28 English inches.
')
Already understand? Not? 28/16 = 1.75. The tip is equal to U.
Original unknown.
Source: https://habr.com/ru/post/14216/
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